Vega POINTRAC 31 Profibus PA Bedienungsanleitung PDF herunterladen (Seite 10)

3 Product description

POINTRAC 31 • Probus PA

43835-EN-131119

The handling of radioactive substances is regulated by law. The radia-

tion protection rules of the country in which the system is operated

apply rst and foremost.

In Germany, for example, the current radiation protection ordinance

(StrlSchV) based on the Atomic Energy Law (AtG) applies.

The following points are important for measurement with radiation-

based methods:

A handling permit is required for operation of a system using gamma

rays. This permit is issued by the respective government oce or the

responsible authority (in Germany, for example, oces for environ-

mental protection, trade supervisory boards, etc.)

You can nd further instructions in the operating instructions manual

of the source container.

When handling radioactive sources, unnecessary radiation exposure

must be avoided. An unavoidable radiation exposure must be kept as

low as possible. Take note of the following three important measures:

1 2 3

Fig. 2: Measures for protection against radioactive radiation

1 Shielding

2 Time

3 Distance

Shielding: Provide good shielding between the radioactive source

and yourself as well as all other persons. Special source containers

(e.g. VEGASOURCE) as well as all materials with high density (e.g.

lead, iron, concrete, etc.) provide eective shielding.

Time: Stay as short a time as possible in radiation exposed areas.

Distance: Your distance to the source should be as large as possible.

The local dose rate of the radiation decreases in proportion to the

square of the distance to the radiation source.

The plant operator must appoint a radiation safety ocer with the

necessary expert knowledge. He is responsible that the radiation

protection ordinance is maintained and that all radiation protection

measures are implemented.

Control areas are areas in which the local dose rate exceeds a certain

value. Only persons who undergo ocial dose monitoring are allowed

into these control areas. You can nd the respectively valid limit values

Handling permit

General instructions for

radiation protection

Radiationsafetyocer

Control area

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 63 64

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